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XLS140 Installation Manual Form Number 95-7673-3 P/N 51927:C 12/06/2005
Testing the System
Battery Checks and Maintenance
notification appliances active. Replace any battery with a terminal voltage less than 21.6 VDC
and reapply AC Power.
Return all circuits to their pretest condition.
Check that all status LEDs are off and the green POWER LED is on.
Notify fire, central station and/or building personnel when you finish testing the system.
5.4 Battery Checks and Maintenance
Maintenance-free sealed lead-acid batteries used in the system do not require the addition of water
or electrolyte. These batteries are charged and maintained in a fully charged state by the main
power supply's float charger during normal system operation. A discharged battery typically
charges at 1.5–1.8 A and reaches the float voltage of 27.6 VDC within 48 hours.
Sealed lead-acid batteries must be replaced within at most 5 years from their date of manufacture.
Minimal replacement battery capacity appears on the control panel marking label. Immediately
replace a leaking or damaged battery. You can get replacement batteries from the manufacturer.
•
If a battery leaks and contact is made with the Sulfuric Acid, immediately flush skin and/or
eyes with water for at least 15 minutes. Water and household baking soda provides a good
neutralizing solution for Sulfuric Acid.
•
If Sulfuric Acid gets into eyes, seek immediate medical attention.
•
Ensure proper handling of the battery to prevent short circuits.
•
Take care to avoid accidental shorting of the leads from uninsulated work benches, tools,
bracelets, rings, and coins.
On-board Memory-Backup Battery
A snap-in lithium battery on the CPU provides backup of the CPU’s on-board memory during
power loss. The expected shelf-life for this battery is 10+ years. However if battery connections
are damaged or the battery does lose power, a system trouble message will appear: “Bat. Backup
RAM”.
NOTE:
The battery test requires fully charged batteries. If batteries are new or discharged due
to a recent power outage, allow the batteries to charge for 48 hours before testing.
!
WARNING:
Batteries contain Sulfuric Acid which can cause severe burns to the skin and eyes and damage to
fabrics.
!
WARNING:
Shorting the battery leads can damage the battery, equipment, and could cause injury to personnel.
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